What does EMS mean?

1 Answers
StJude
07/30/25 8:19am
Automotive EMS is the abbreviation for Engine-Management-System, which means engine management system in Chinese, commonly known as the engine control unit. Here are some other details: 1. In vehicles, the engine management system controls engine combustion, offering advantages such as low fuel consumption, low emissions, and high power. 2. EMS collects signals from various sensors, such as engine air flow, coolant temperature, engine speed, camshaft position, throttle position, etc. 3. EMS processes this information, performs precise calculations, and outputs control signals. It precisely controls fuel supply, ignition timing, and idle air flow, thereby improving engine performance. Through precise control of fuel injection and ignition, it can reduce pollutant emissions; the use of oxygen sensors and three-way catalytic converters further reduces harmful emissions.
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